5.9L Engine, Federal, High ALt., 6400 GVW, Heavy Duty EFI 1989 (5.9L Engine ------------)
5.9L Engine, Federal, High Alt., EFI, 7400, 8510 GVW 1989 (5.9L Engine ------------)
5.9L Engine, Light Duty, EFI, 6050 GVW 1989 (5.9L Engine ------------)
5.9L Engine, Light Duty, EFI, 6900, 7500, and Snow Plow Pkg., 1989 (5.9L Engine ------------)